Merck
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84392

Sigma-Aldrich

Nitric acid

purum p.a., fuming, packed in coated, shock- and leak-protected glass bottle, ≥99% (T)

Empirical Formula (Hill Notation):
HNO3
CAS Number:
Molecular Weight:
63.01
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

Quality Level

vapor pressure

8 mmHg ( 20 °C)

grade

purum p.a.

assay

≥99% (T)

form

liquid

quality

packed in coated, shock- and leak-protected glass bottle

bp

120.5 °C (lit.)

anion traces

chloride (Cl-): ≤10 mg/kg
sulfate (SO42-): ≤200 mg/kg

cation traces

Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤10 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

SMILES string

O[N+]([O-])=O

InChI

1S/HNO3/c2-1(3)4/h(H,2,3,4)

InChI key

GRYLNZFGIOXLOG-UHFFFAOYSA-N

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General description

Nitric acid (HNO3) is a highly corrosive strong mineral acid. In HNO3, nitrogen element exhibits +5 oxidation state. 10%(v/v) nitric acid solution is useful for cleaning the laboratory glasswares. Reaction of HNO3 with various original and synthetic mineral dust/mineral oxide surfaces was studied in a low-pressure Knudsen reactor operating at 298K.

Application

Nitric acid (HNO3) may be used in the following studies:
  • Oxidation of ultiwalled carbon nanotubes (MWCNTs).
  • Removal of transition metal catalyst from the single-walled carbon nanotubes (SWNTs) during the purification of SWNTs.
  • Trace determinations of Pb and Cd in aqueous medium by flame atomic absorption spectrometry.
  • Preparation of lead dioxide (PbO2).

Certificate of Analysis

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Certificate of Origin

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